However, the industry body has suggested measures like lowering stamp duty on property transactions to tackle the menace.
"Invalidating existing high-denomination notes addresses the stock of black money but does little to address future flows. Eliminating such flows will require further reforms like lowering stamp duty on property transactions, electronic registration of real estate etc," the Assocham study said.
Moreover, it said, indications that most of the scrapped currency has returned to the banking system through right or wrong means do suggest that demonetisation may not even fully wipe out the existing stock of ill-gotten cash.
The study pointed out that high denomination currency withdrawal is not without some inherent problems.
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"It is very difficult to separate black money from white money because distinction is not once-and-for-all. White money used to purchase something becomes black if the shopkeeper does not pay sales tax," the study noted, adding that much of conspicuous consumption is paid for in unaccounted money, which, in the hand of the recipients can again become perfectly legal income.
"Government must reduce the opportunity and incentives for unaccounted transactions by narrowing the gap between the market value and the one fixed by the government agencies for different levies like stamp duty etc," Rawat said.
Further, in order to check the menace of black money, the chamber suggested measures, which include reducing discretionary powers of officers by framing rules and laws clearly and not leaving them to individuals' interpretation.
"Ironically, several of our laws are badly drafted and framed, leaving scope for official discretion. The problem in a way starts here," the chamber said.